Properties of the Number 68187

Sixty-Eight Thousand One Hundred Eighty-Seven

Basics

Value: 68186 → 68187 → 68188

Parity: odd

Prime: No

Previous Prime: 68171

Next Prime: 68207

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 7 × 17 × 191

Divisors: 1, 3, 7, 17, 21, 51, 119, 191, 357, 573

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101001011011

Octal: 205133

Duodecimal: 33563

Hexadecimal: 10a5b

Square: 4649466969

Square Root: 261.1264061714173

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers k such that k² contains only digits {4,6,9}. A53960

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (0, 0, 1), (1, 0, -1), (1, 0, 0)}. A150094

a(n) is the smallest number such that the product of its decimal digits equals nⁿ, or 0 if no solutions exist. A68187